PrismKitUnitsIlluminance ConverterIlluminance ConverterRuns in your browserLocalCopy linkMarkdownConvert lux, foot-candles, phots, nox, and lumens per area.Frequency ConverterConvert hertz up to terahertz, plus revolutions per minute and radians per second.Volume Flow Rate ConverterConvert cubic metres per second, litres per minute, CFM, gallons per minute, and barrels per day.